This would push the number of arrivals at Arsenal this summer to five with Gabriel Martinelli , Dani Ceballos and William Saliba coming through the doors - although the latter has returned to parent club Saint-Etienne for the coming season.

Tierney has received support from his former Celtic man, Virgil Van Dijk , who has tipped the full-back to be successful in the Premier League.

He said: "It is not an easy step to make and you have to play well to do it but he has the qualities. Kieran made his debut against Dundee when I was at Celtic. I scored a free-kick up there and then he came on and helped us get the win.